Changeset 10659

Timestamp:

2005-09-27T17:32:23+12:00 (18 years ago)

Author:

mdewsnip

Message:

Write CD/DVD image prompt now gives an estimate of the size of the exported collections.

Location:

trunk/gli

Files:

• classes/dictionary.properties (modified) (1 diff)
• src/org/greenstone/gatherer/gui/WriteCDImagePrompt.java (modified) (8 diffs)

trunk/gli/classes/dictionary.properties

@@ -463 +463 @@
 WriteCDImagePrompt.Instructions:Export one or more collections to a self-installing Windows CD/DVD (although this works on any platform, the CD/DVD that is created only runs under Windows).
 WriteCDImagePrompt.Progress_Label:Copying Files. This could take some time...
+WriteCDImagePrompt.Size_Label:Estimated size: 
 WriteCDImagePrompt.Successful_Export:The collections ({0}) have been exported.
 WriteCDImagePrompt.Successful_Title:Export Complete

trunk/gli/src/org/greenstone/gatherer/gui/WriteCDImagePrompt.java

@@ -49 +49 @@
 import org.greenstone.gatherer.LocalGreenstone;
 import org.greenstone.gatherer.collection.BasicCollectionConfiguration;
+import org.greenstone.gatherer.collection.CollectionManager;
 import org.greenstone.gatherer.shell.GShell;
 import org.greenstone.gatherer.shell.GShellEvent;
@@ -90 +91 @@
     /** A string array used to pass arguments to the phrase retrieval method. */
     private JTextField title_field = null;
+    private JTextField estimated_size_field = null;
     private JLabel title_label = null;
+    private JLabel estimated_size_label = null;
     private String args[] = null;
     private String cd_title = null;
@@ -99 +102 @@
     /** the error message if any */
     private StringBuffer error_message = null;
+    /** This is the size of the exported stuff on its own (no collections). */
+    private long total_exported_size = 52000000;
     /** The size of the export prompt screen. */
     public static final Dimension SIZE = new Dimension(500, 500);
@@ -138 +143 @@
     title_label = new JLabel();
     Dictionary.setText(title_label, "WriteCDImagePrompt.CD_Name");
+
+    estimated_size_field = new JTextField();
+    estimated_size_field.setEditable(false);
+    estimated_size_field.setText(Utility.formatFileLength(total_exported_size));
+    estimated_size_field.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
+    estimated_size_label = new JLabel();
+    Dictionary.setText(estimated_size_label, "WriteCDImagePrompt.Size_Label");
+
     scanForCollections();
     list.setListData(all_collections);
@@ -206 +219 @@
 
     // Lower pane
+    JPanel estimated_size_pane = new JPanel(new BorderLayout());
+    estimated_size_pane.add(estimated_size_label, BorderLayout.WEST);
+    estimated_size_pane.add(estimated_size_field, BorderLayout.CENTER);
+    estimated_size_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
+
     JPanel button_pane = new JPanel(new GridLayout(1, 2));
     button_pane.add(ok_button);
@@ -212 +230 @@
 
     JPanel lower_pane = new JPanel(new BorderLayout());
+    lower_pane.add(estimated_size_pane, BorderLayout.NORTH);
     lower_pane.add(button_pane, BorderLayout.SOUTH);
     lower_pane.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 5));
@@ -424 +443 @@
     public void valueChanged(ListSelectionEvent event)
     {
+        // Wait for things to settle down a bit
+        if (event.getValueIsAdjusting()) {
+        return;
+        }
+
         // Can only export when something is ticked
         ok_button.setEnabled(!list.isNothingTicked());
@@ -440 +464 @@
         Dictionary.setText(details_textarea, "DeleteCollectionPrompt.Details", args);
         details_textarea.setCaretPosition(0);
+
+        // Find the size of the "etc", "images" and "index" directories of the collection
+        String collection_directory_path = CollectionManager.getCollectionDirectoryPath(collection.getShortName());
+        File etc_directory = new File(collection_directory_path + "etc");
+        File images_directory = new File(collection_directory_path + "images");
+        File index_directory = new File(collection_directory_path + "index");
+        long collection_size_built = getFileSize(etc_directory) + getFileSize(images_directory) + getFileSize(index_directory);
+
+        // Add/subtract it from the total, depending on whether the collection has just been ticked/unticked
+        if (((CheckListEntry) list.getSelectedValue()).isSelected()) {
+        total_exported_size += collection_size_built;
+        }
+        else {
+        total_exported_size -= collection_size_built;
+        }
+
+        // Update the size field
+        estimated_size_field.setText(Utility.formatFileLength(total_exported_size));
+    }
+
+
+    private long getFileSize(File file)
+    {
+        long file_size = 0;
+
+        // Directory case
+        if (file.isDirectory()) {
+        File files[] = file.listFiles();
+        for (int i = 0; i < files.length; i++) {
+            file_size += getFileSize(files[i]);
+        }
+        }
+        // File case
+        else {
+        file_size = file.length();
+        }
+
+        return file_size;
     }
     }